ikiwiki supports adding "History" links to the top of pages to browse the revision history of a page. This is enabled by the historyurl setting, which is used to specify the URL to a web interface such as ?ViewVC (for Subversion) or ?Gitweb. In that URL, "[[file]]" is replaced with the name of the file to view.

The repolist plugin can supplement this information with URLs to the underlying repository of the wiki.